Which is the graph of x – y = 1?

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

Hello people, i have a math question that i need with, me, i will give the correct one brainiest, and for the other correct people, a and 5 stars.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.